mephitic

/məˈfɪtɪk/
adjective
  1. Having a very bad smell; stinking, especially from something poisonous or decaying.
    • The hikers had to turn back because of the mephitic fumes coming from the volcanic vents.
    • A mephitic odor rose from the stagnant swamp, making everyone cover their noses.
    • The old basement was filled with a mephitic stench of mold and rot.
Antonyms
What does "mephitic" mean? | whatsthatwordmean | whatsthatwordmean